A common neuron is shown in the diagram above.   The structure labeled "C" is known as a(n) __________.

• axon

• dendrite

• synaptic knob

• cell body

Tags

NGSS.MS-LS1-2

The diagram above shows a common neuron.  Information from other neurons is first received by the structures labeled with the letter __________.

• a

• b

• c

• d

Which situation would cause increased blood flow through the cardiovascular system?

• dilation of blood vessels

• lowering of blood pressure

• constriction of blood vessels

• plaque buildup in blood vessels

Tags

NGSS.HS-LS1-3

John gets a sunburn. As a result, the damaged skin begins to peel away cells a few days later. Which of the following layers of the integumentary system are peeling away to expose the new skin cells?

• stratum basale

• stratum corneum

• tratum lucidum

• stratum spinosum

Which is most likely to occur if the ossicles of the ear are damaged?

• Hearing would be impaired.

• The person would feel dizzy

• The outer ear would have a deformity.

   

• The person would not have proper posture.

Which labeled structure in the diagram indicates the location of normal fertilization of a human egg?

• 1

• 2

• 3

• 4

Frostbite is a condition that occurs when a person is exposed to extreme low temperatures. Which of the following responses of the cardiovascular system would be responsible for frostbite?

• Vasodialation increases blood flow to the extremities to reduce heat loss.

• Vasodialation decreases blood flow to the extremities to increase heat loss.

• Vasoconstriction decreases blood flow to the extremities to reduce heat loss.

• Vasoconstriction increases blood flow to the extremities to increase heat loss.

Tags

NGSS.HS-LS1-3

There are three types of bone cells.

1. osteoblast

2. osteoclast

3. osteogenic  

Which sequence represents the correct order for bone development?

• 1-2-3

• 1-3-2

• 2-3-1

• 3-1-2

Rachel is driving to school when another car suddenly pulls out in front of her.  She slams on the brakes,  an action which prevents an accident from occurring. Rachel begins to feel an adrenaline rush as her heart starts racing. Which division of the nervous system is responsible for this response?

• parasympathetic nervous system

• somatic nervous system

• sympathetic nervous system

• visceral nervous system

A patient has surgery to remove her gallbladder. Which of the following will be most affected?

• formation of amylase

• formation of bile

• storage of amylase

• storage of bile